In order to properly prepare steel pipe for butt welding, the ends must be ____

External threads are cut using a _____

Internal threads are cut using a _____

When a powder actuated tool fails to fire, it should be immediately removed from the work and rested on its side.

An extension ladder is to be used by leaning it against a wall. If the working length of the ladder is 24 feet, the base of the ladder should be set___feet away from the building wall.

Which fitting would be used to make an offset of 45 degrees?

A riser clamp is used to support _____

The proper procedure for threading pipe is to _____

One drainage fixture unit is equal to a fixture discharge rate of up to 7.5 gal. per minute.

Atmospheric pressure at sea level is _____

The earth’s atmosphere contains approximately _____ oxygen.

A 10-foot head of water is equal to a pressure of _____

Vent and branch vent pipes shall be _____

Plumbing fixtures installed on a floor level that is lower than the next upstream manhole cover of the public or private sewer shall be protected from backflow of sewage by installing an approved type of ___

An indirect waste pipe is _____

The distance measured along the centerline of pipe and fittings is defined as the ____

Plastic drain waste and vent piping should be _______

The number of Btu’s required to raise the temperature of 1 gallon of water 1 degree Fahrenheit.

Mild steel is used as piping material because of its malleability and high tensile strength.

On the pH scale, ______ would be considered neutral and safe.

Which of the following is not a property of pure water.

The boiling temperature of water is not affected by changes in pressure.

Liquids are easily compressed.

The vertical height of a column of water can be used as an indicator of static pressure.

A 4” stand pipe 10’ high will exert more pressure on a system than will a 2” stand pipe 10’ high.

The fixed point of a lever is called the balance point.

The amount of force required to pull a metal apart is referred to as _______

The ability of a metal to transmit heat or electricity is referred to as _____

The rate at which corrosion occurs will usually______as temperature is increased.

The scale that forms on a metal surface exposed to air is called _______

The flow of liquid when it is drawn into a small space between wetted surfaces is called _______

Brass is _______

Copper tube is a ferrous metal.

Copper drainage fittings may be used for potable water piping.

Brazed joints are generally stronger than soldered joints.

The square knot is used for joining two dry ropes of the same size.

Arm extended and thumb pointing upward is the crane signal for raising the load.

Manila rope is about twice as strong as nylon rope of the same size.

Nylon rope may be stored wet as it is not generally susceptible to rot or mildew.

A true isometric drawing's three major axes are _______ degrees apart.

Non-isometric lines _______

In an isometric drawing, only true _______ lines can accurately be drawn to scale.

In an isometric drawing, the horizontal axes are drawn using a 30/60 triangle, with the angle of 30 degrees from the horizontal.

Lines that are parallel in a plan view will be parallel in an isometric view.

Non-isometric lines are easily drawn to scale.

Electrical plans are of no use when installing a plumbing system.

Section drawings show the section of land upon which the structure is to be built.

Plumbing and Mechanical plans are sometimes combined.

Detail drawings take precedent over floor plans.

For positive pressure medical gas systems, piping shall be hard drawn, seamless copper tube, specification _______.

Med-Gas joints shall be brazed within _______ hours after the surfaces are cleaned for brazing.

Level 1 medical air compressors shall be sized to serve the peak calculated demand and in no case shall there be fewer than _______ compressors.

In a Med Gas System, what valve shall be placed such that a wall intervenes between the valve and outlets/inlets that it controls?

The installation of medical gas and vacuum systems shall be made by experienced, qualified and competent installer. The installers shall meet the requirements of ______

Medical air sources shall be used only for ______ and calibration of medical respiratory devices.

Shutoff valves for positive pressure gases shall ______

To assure that all ambient air has been removed from the pipeline prior to brazing, a/an ______ shall be used to verify the effectiveness of the purge.

Backflow Prevention Devices or Assemblies installed in a Potable Water Supply System shall be tested _____

A certified backflow tester may _____ change the design, material, or operational characteristics of an assembly during maintenance or repair.

A pressure vacuum breaker must be installed _____ above the highest downstream outlet.

The term “air gap” in water distribution is _____

The minimum air gap separation is ______

A Flushometer must be provided with a vacuum breaker.

A double check valve can be used to protect an untreated boiler feed line from backpressure.

A pressure vacuum breaker is an effective device for backpressure protection.

Reclaimed Water is Non-potable water that meets or as a result of treatment, meets federal requirements for its intended uses. The level of treatment and quality of the reclaimed water shall be approved by the Authority Having Jurisdiction.

Vertical wet venting is limited to ______ unit fixtures.

The wet vented section in no case shall be less than ______ pipe.

The wet vented section must be increased by ______ pipe size(s).

Horizontal drainage piping requires a clean out for each aggregate change in direction of ______.